| 摘要 |
PROBLEM TO BE SOLVED: To provide a power storage element capable of suppressing deterioration of performance.SOLUTION: A power storage element 10 includes: a positive electrode 141; a negative electrode 142; and an electrode body 140 formed by wounding separators 143 and 144. The power storage element 10 includes an insulating tape 150 where a part is overlapped and coupled to other part while the insulating tape is wounded around the electrode body 140 more than once or more along an outermost peripheral surface in the same direction as a direction where the electrode body 140 is wounded.SELECTED DRAWING: Figure 5 |
